Home / 10,121.22-15,182.84-3,101.15

Finding the Fourth Proportional to 10,121.22, 15,182.84 and 3,101.15

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Solution

The fourth proportional to 10,121.22, 15,182.84 and 3,101.15 is: 4,652.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.22 : 15,182.84 = 3,101.15 : x
  2. Step 2: Convert to fraction form
    10,121.22/15,182.84 = 3,101.15/x
  3. Step 3: Cross multiply
    10,121.22x = 15,182.84 × 3,101.15
  4. Step 4: Simplify right side
    10,121.22x = 47,084,309.98
  5. Step 5: Solve for x
    x = 47,084,309.98/10,121.22
  6. Step 6: Final answer
    x = 4,652.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.